Steel based retrofitting interventions for existing masonry walls: a comparative numerical investigation

Masonry buildings constitute a significant portion of the architectural heritage all over world, also in regions affected by high seismic hazard. Since this constructional material is characterized lack tensile strength, as well small deformation capacity, masonry structures could result hugely damaged if shaken forces. In order to avoid collapses and reduce structural damage, innovative retrofitting interventions are necessary improve behavior structures. context, steel-based techniques be considered among most suitable solutions. fact, using such high-performant material, additional strength ductility may conferred existing Based on these premises, present paper focuses numerical investigation two different techniques: CAM© system application steel grids both faces wall. particular, base an experimental test carried out within research project In.CAM.M.I.N.O. unreinforced wall tested condition constant vertical force horizontal loads, reference FE Model has been calibrated Abaqus macro-modelling approach with damage-plasticity model for masonry. Then, based model, efficiency systems investigated compared means analyses, evaluate increases obtainable techniques.